EP4216609A1 - Verfahren und vorrichtung zum übertragen von systemparametern einer vorrichtung für weichen zugang, vorrichtung und medium - Google Patents

Verfahren und vorrichtung zum übertragen von systemparametern einer vorrichtung für weichen zugang, vorrichtung und medium Download PDF

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Publication number
EP4216609A1
EP4216609A1 EP22179072.8A EP22179072A EP4216609A1 EP 4216609 A1 EP4216609 A1 EP 4216609A1 EP 22179072 A EP22179072 A EP 22179072A EP 4216609 A1 EP4216609 A1 EP 4216609A1
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EP
European Patent Office
Prior art keywords
link
access point
message
logical access
identifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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EP22179072.8A
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English (en)
French (fr)
Inventor
Hao Wu
Lei YIN
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Chengdu XGIMI Technology Co Ltd
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Chengdu XGIMI Technology Co Ltd
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Publication of EP4216609A1 publication Critical patent/EP4216609A1/de
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the disclosure relates to the field of communication, and in particular to a method and apparatus for transmitting system parameters of a soft access device, a device and a medium.
  • 802.11be system also referred to as an extremely high throughput (EHT) system
  • EHT extremely high throughput
  • WLANs wireless local area networks
  • video traffic will still be the dominant traffic type in a large number of WLAN deployments.
  • 4k and 8k videos at an uncompressed rate of 20 Gbps
  • novel high-throughput and low-latency applications such as virtual reality or augmented reality, gaming, remote office, and cloud computing will proliferate (for example, latency below 5 milliseconds for live gaming).
  • 802.11be networks aim to ensure the competitiveness of the WLANs by further improving overall throughput and reducing latency, and further ensure backward compatibility and coexistence with legacy technology standards. 802.11 operating in 2.4 GHz, 5 GHz, and 6 GHz bands are compatible with devices.
  • a terminal device serving as a temporary access device, which is also referred to as a soft access device or a mobile access device, is allowed to establish access points on a plurality of links to provide connection services for other terminal devices.
  • the terminal device serving as the access device, may establish the plurality of access points, only the access point established on one link may send a broadcast message, the link is referred to as a primary link, the access points established on other links may not send the broadcast message, and the links are referred to as non-primary links.
  • embodiments of the disclosure provide a method and apparatus for transmitting system parameters of a soft access device, a device and a medium.
  • an embodiment of the disclosure provides a method for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the method includes:
  • the first message further includes an instruction whether to request only updated system parameters and a system parameter change count corresponding to a state of local system parameters; and the system parameters of the second logical access point operating on the non-primary link included in the second message are changed system parameters of the second logical access point between the system parameter change count in the second message and the system parameter change count corresponding to the state of the local system parameters in the first message in a case that the instruction in the first message requests only the updated system parameters.
  • the method further includes:
  • the first message is a multi-link probe request message
  • the second message is a multi-link probe response message
  • an embodiment of the disclosure provides a method for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the method includes:
  • the method further includes:
  • an embodiment of the disclosure provides a method for sending system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the method includes:
  • the first message further includes an instruction whether to request only updated system parameters and a system parameter change count corresponding to a state of local system parameters; and the system parameters of the second logical access point operating on the non-primary link included in the second message are changed system parameters of the second logical access point between the system parameter change count in the second message and the system parameter change count corresponding to the state of the local system parameters in the first message in a case that the instruction in the first message requests only the updated system parameters.
  • the method further includes:
  • the multi-link device identifier in the reduced neighbor report information element indicates that the neighboring logical access point is affiliated with the same device as the first logical access point sending the broadcast message, or indicates that the neighboring logical access point is affiliated with the same soft access device as the first logical access point sending the broadcast message and is a logical access point operating on the non-primary link in the soft access device.
  • the first message is a multi-link probe request message
  • the second message is a multi-link probe response message
  • an embodiment of the disclosure provides a method for sending system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the method includes:
  • the multi-link device identifier in the reduced neighbor report information element indicates that the neighboring logical access point is affiliated with the same device as the first logical access point sending the broadcast message, or indicates that the neighboring logical access point is affiliated with the same soft access device as the first logical access point sending the broadcast message and is a logical access point operating on the non-primary link in the soft access device.
  • an embodiment of the disclosure provides an apparatus for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter acquisition component, the parameter acquisition component is used for executing:
  • an embodiment of the disclosure provides an apparatus for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter acquisition component, the parameter acquisition component is used for executing:
  • an embodiment of the disclosure provides an apparatus for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter sending component, the parameter sending component is used for executing:
  • an embodiment of the disclosure provides an apparatus for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter sending component, the parameter sending component is used for executing:
  • an embodiment of the disclosure provides an electronic device, including a memory, a processor and a computer program stored on the memory, where the processor executes the computer program to implement steps of the method of any one of the first aspect to the fourth aspect.
  • an embodiment of the disclosure provides a computer-readable storage medium, storing a computer program, where the computer program implements steps of the method of any one of the first aspect to the fourth aspect when executed by a processor.
  • an embodiment of the disclosure provides a computer program product, including a command, where the command implements steps of the method of any one of the first aspect to the fourth aspect when executed by a processor.
  • the apparatus of the fifth aspect is used for implementing the method of the first aspect
  • the apparatus of the sixth aspect is used for implementing the method of the second aspect
  • the apparatus of the seventh aspect is used for implementing the method of the third aspect
  • the apparatus of the eighth aspect is used for implementing the method of the fourth aspect
  • the electronic device of the ninth aspect, the storage medium of the tenth aspect and the computer program product of the eleventh aspect are used for executing the method of any one of the first aspect above to the fourth aspect above, and therefore, the same beneficial effects of the method described in the first aspect, the second aspect, the third aspect, or the fourth aspect may be achieved, which are not described in the embodiments of the disclosure.
  • the embodiments of the disclosure enables the terminal device connected to the soft access device to acquire the updated system parameters in time by monitoring system parameter changes on the non-primary link of the soft access device and acquiring the changed system parameters, thereby avoiding access failure of the terminal device on the non-primary link, and guaranteeing communication between the terminal device and the soft access device.
  • the words “first”, “second”, etc. are used to distinguish the same or similar items having substantially the same function and effect, and those skilled in the art will understand that the words “first”, “second”, etc. do not limit the number and order of execution, are only used to illustrate and distinguish description objects, has no difference in order, also do not represent a special limit on the number of devices in the embodiments of the disclosure, and may not constitute any limit on the embodiments of the disclosure.
  • a multi-link device includes a plurality of logical entities, where each of the logical entities transmits data by means of a link, and includes an independent data receiving and transmitting component.
  • a single-link device has only one logical entity and only one media access control (MAC) address, and the multi-link device has one MAC address, and each of the logical entities belonging to the multi-link device has one MAC address.
  • MAC media access control
  • one multi-link device runs with the three logical entities, such that there are four MAC addresses on the physical device, one address is an address of the multi-link device, and each of the three logical entities has one MAC address.
  • logical entities in a terminal device are referred to as logical terminals
  • logical entities in an access device are referred to as logical access points.
  • Fig. 1 is an architectural schematic diagram of a communication system provided in an embodiment of the disclosure.
  • the communication system includes a terminal device Mobile access point (AP) multi-link device (MLD)101 and a terminal device station (STA) MLD102, where the terminal device Mobile AP MLD 101 is a soft access device, and establishes two logical access points AP1 and AP2, where the AP1 operates on a primary link 1, the AP1 sends a broadcast message, for example, a Beacon message and a probe response message, and the AP2 operates on a non-primary link 2, the AP2 does not send the broadcast message, and both the AP1 and the AP2 may perform data transmission with a connected terminal; and the terminal device STA MLD102 includes two logical terminals STA1 and STA2, and a STA MLD is connected to a Mobile AP MLD, where the STA1 is connected to the AP1 on the primary link 1, and the STA2 is connected to the AP
  • AP terminal device
  • access point AP
  • the term "access point (AP)" may further be used to describe an access port or any other device capable of receiving and transmitting wireless signals within a network architecture, and therefore, the use of the access points is merely exemplary.
  • Fig. 2 is a schematic diagram of a method for transmitting system parameters of a soft access device provided in an embodiment of the disclosure, where the transmitting herein includes sending and acquiring. As shown in Fig. 2 , the method for sending and acquiring system parameters of a soft access device includes:
  • the STA1 further determines whether the link indicated by the link ID in the received reduced neighbor report information element is a non-primary link.
  • a method for determining a non-primary link by the STA1 is as follows: if a value of the MLD ID is 0, whether the link is a non-primary link is determined according to locally stored information and a value of the link ID, or if the value of the MLD ID is X, the link is determined as the non-primary link.
  • the first message sent by the terminal may be prevented from being frequently responded by using the delay timer T1, and the second message may be uniformly sent as a response to the request of the terminal after a period of time is accumulated, thereby reducing signaling overhead, and saving power consumption of the mobile AP MLD.
  • the second message includes the following parameters:
  • the 204 receive, by the logical terminal STA1 of the STA MLD, the second message, and update, by the logical terminal STA2 of the STA MLD, the locally saved system parameters of the AP2 to the system parameters in the AP profile received by the STA1, and a locally saved value of a previous system parameter change count corresponding to the AP2 to a value of the parameter BSS parameters change count received by the STA1.
  • a first message may further include an instruction whether to request only the updated system parameters and a system parameter change count corresponding to a state of local system parameters.
  • the first message includes the following parameters:
  • the first message may be a probe request message (e.g., a ML probe request message), and correspondingly, the second message may be a probe response message (e.g., an ML probe response message).
  • the parameter receiver address in the probe response message may be set to a broadcast address.
  • a reduced neighbor report information element in a broadcast message sent by an AP1 may further include a first parameter, where the first parameter is used for indicating duration of sending updated system parameters of an AP2 in the broadcast message of the AP1; and then the broadcast message sent by the AP1 within the duration indicated by a value of the first parameter includes the updated system parameters of the AP2.
  • the reduced neighbor report information element includes the following parameters:
  • the STA1 after receiving the broadcast message sent by the AP1, the STA1 does not need to send the first message for requesting the system parameters on the non-primary link to the AP1, if the received reduced neighbor report information element indicates that a value of a BSS parameters change count corresponding to the non-primary link is different from that of a BSS parameters change count received previously, and a value of the parameter duration count indicates that a subsequent broadcast message includes updated system parameter of a second logical access point, the updated system parameters of the second logical access point are read within the duration indicated by the value of the parameter duration count; the logical terminal STA2 of the STA MLD updates locally stored system parameters of the AP2 to updated system parameters received by the STA1, and updates a locally stored value of a previous system parameter change count corresponding to the AP2 to a value of the parameter BSS parameters change count received by the STA1; and the logical terminal STA2 of the STA MLD uses the updated system parameters to perform data communication with the AP2.
  • An embodiment of the disclosure further provides an apparatus for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter acquisition component, the parameter acquisition component is used for executing:
  • the above apparatus may specifically be the STA MLD in the above embodiment, and that the apparatus may be used for executing various flows and/or steps corresponding to the STA MLD in the above method, which is not described herein in order to avoid repetition.
  • An embodiment of the disclosure provides an apparatus for acquiring system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter acquisition component, the parameter acquisition component is used for executing:
  • the above apparatus may specifically be the STA MLD in the above embodiment, and that the apparatus may be used for executing various flows and/or steps corresponding to the STA MLD in the above method, which is not described herein in order to avoid repetition.
  • An embodiment of the disclosure provides an apparatus for sending system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter sending component, the parameter sending component is used for executing:
  • the above apparatus may specifically be the Mobile AP MLD in the above embodiment, and that the apparatus may be used for executing various flows and/or steps corresponding to the Mobile AP MLD in the above method, which is not described herein in order to avoid repetition.
  • An embodiment of the disclosure provides an apparatus for sending system parameters of a soft access device, the soft access device including a first logical access point operating on a primary link and a second logical access point operating on a non-primary link, where the apparatus includes a parameter sending component, the parameter sending component is used for executing:
  • the above apparatus may specifically be the Mobile AP MLD in the above embodiment, and that the apparatus may be used for executing various flows and/or steps corresponding to the Mobile AP MLD in the above method, which is not described herein in order to avoid repetition.
  • the apparatuses herein are represented in the form of functional components.
  • the term "component” herein may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor (e.g., a shared processor, a proprietary processor, or a group processor, etc.) for executing one or more software or firmware programs, a memory , a merged logical circuit, and/or other appropriate components to support described functions.
  • ASIC application specific integrated circuit
  • a processor e.g., a shared processor, a proprietary processor, or a group processor, etc.
  • the above apparatus has the function of implementing the corresponding steps in the above method.
  • the above functions may be implemented by hardware or by executing corresponding software by the hardware.
  • the hardware or software includes one or more components corresponding to the functions above.
  • the apparatus may be a chip or a system on a chip, for example, a system on chip (SoC), which is not limited herein by the disclosure.
  • SoC system on chip
  • FIG. 3 is a structural schematic diagram of the electronic device provided in the embodiment of the disclosure.
  • the device 300 includes a processor 301, a memory 302, and a communication interface 303, where the processor 301, the memory 302 and the communication interface 303 communicate with one another by means of a bus 304, and the memory 302 stores a command executable by the processor
  • the command is loaded and executed by the processor 301 to control the communication interface 303 to send and/or receive a signal.
  • the device 300 may specifically be the STA MLD or the Mobile AP MLD in the above embodiment, or that the functions of the STA MLD or the Mobile AP MLD in the above embodiment may be integrated in the device 300, and the device 300 may be used for executing various steps and/or flows corresponding to the STA MLD or the Mobile AP MLD in the above embodiment.
  • the memory 302 may include a read-only memory and a random access memory and provide commands and data for the processor 301.
  • the memory 302 may further include, in part, a non-volatile random access memory.
  • the memory 302 may further store device type information.
  • the processor 301 may be used for executing the command stored in the memory 301, and when the processor 301 executes the command, the processor 301 may execute corresponding various steps and/or flows in the above method embodiments.
  • the processor may be a central processing unit (CPU) or other general-purpose processors, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, a discrete gate or transistor logic device, a discrete hardware component, etc. in the embodiment of the disclosure.
  • the general-purpose processor may be a microprocessor, or the processor may be any conventional processor, etc.
  • each step of the above method may be completed by means of an integrated logical circuit of hardware in the processor or the command in the form of software.
  • Steps of the method disclosed in the embodiments of the disclosure may be directly embodied as being completed by execution by the hardware processor, or by execution of combination of hardware and software components in the processor.
  • a software component may be located in storage media, such as the random access memory, a flash memory, the read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, etc., which are mature in the field.
  • the storage media are located in the memory, and the processor executes the command in the memory and completes the steps of the above method in combination with hardware of the processor, which is not described in detail herein in order to avoid repetition.
  • the above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination.
  • the above embodiments may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer commands or a computer program.
  • the flows or functions according to the embodiments of the disclosure are generated in whole or in part when the computer commands or the computer program are loaded or executed on a computer.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable apparatuses.
  • the computer commands may be stored in computer-readable storage media or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer commands may be transmitted from one website, computer, server, or data center by wired (e.g., infrared, wireless, microwave, etc.) means to another website, computer, server, or data center.
  • the computer-readable storage medium may be any available media that may be accessed by a computer or data storage devices of servers, data centers, etc. that include one or more sets of available media.
  • the available media may be magnetic media (e.g., floppy disks, hard disks and magnetic tapes), optical media (e.g., digital video disks (DVDs)), or semiconductor media.
  • the semiconductor media may be solid state disks.
  • the size of the sequence numbers of the processes above does not imply the order of execution, and the order of execution of the processes should be determined by their function and inherent logic, and should not be construed as limiting the implementation of the embodiments of the disclosure.
  • the component described as a separable component may be physically separated or not, and a component shown as a component may be a physical component or not, that is, may be located at one place or may also be distributed on a plurality of network components, and part or all of components are selected to achieve the objective of the solutions of the embodiments of the disclosure according to actual requirements.
  • the devices, apparatuses and methods disclosed may be implemented in other ways.
  • the apparatus embodiments described above are merely schematic, for example, division of the components is merely a kind of division of logical functions, there may be other division modes in actual implementation, and for example, one component may be divided into a plurality of components or assemblies, or the plurality of components or assemblies may be combined or integrated into another system, or some features may be omitted or not conducted.
  • the coupling or direct coupling or communicative connection to one another shown or discussed may be achieved by means of some interfaces, and the indirect coupling or communicative connection of apparatuses or components may be in an electrical form, a mechanical form, or other forms.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
EP22179072.8A 2022-01-25 2022-06-14 Verfahren und vorrichtung zum übertragen von systemparametern einer vorrichtung für weichen zugang, vorrichtung und medium Pending EP4216609A1 (de)

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CN202210082895.2A CN114126001B (zh) 2022-01-25 2022-01-25 传输软接入设备系统参数的方法、装置、设备和介质

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